# HeatMapper vs Moleculist

The clearest difference is update cadence: Moleculist at every 2 weeks against HeatMapper's every 7 months. HeatMapper's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HeatMapper ships an update every 7 months, Moleculist every 2 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | HeatMapper | Moleculist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (17 ratings)](https://appshunter.io/ios/app/moleculist/id6747411859/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 26 MB | 142 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Contractor Nation Corporation](https://appshunter.io/developer/1126353201) | [Bijjol Rambhia Kiran](https://appshunter.io/developer/1821354717) |

## What reviewers say

### HeatMapper

[App page](https://appshunter.io/ios/app/heatmapper/id1282095564)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Moleculist

[App page](https://appshunter.io/ios/app/moleculist/id6747411859)

Organize your life by transforming interests into a cosmic, animated universe. Track books, movies, plants, food, games, people, and more with visually stunning displays and effortless data entry. Seamlessly integrate with other apps to capture discoveries and memories.

**Highlights:** Molecular home screen with animated universe, One-tap adding for various life elements, Automatic data extraction from websites, Detailed tracking with notes and tags, Seamless iPad experience, Smart sharing via Share Sheet, Export and backup functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HeatMapper free?

HeatMapper is free to download, with no in-app purchases.

### Is Moleculist free?

Moleculist is free to download, with no in-app purchases.

### Do HeatMapper or Moleculist have ads?

Neither HeatMapper nor Moleculist shows ads.

### Which is updated more often, HeatMapper or Moleculist?

HeatMapper ships an update every 7 months, and Moleculist every 2 weeks. Most recently, HeatMapper was updated on October 5, 2026 and Moleculist on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*